Cornelia Lucretia Brant (née Chase; December 16, 1863 – March 9, 1959) was an American doctor. After starting a family, she started a medical career as a mature student, graduating from the New York Medical College and Hospital for Women in 1903. She assumed the position of Dean in 1914, served as part of the Council of National Defense during the First World War, and then practiced as a GP in Brooklyn from 1918 to 1939. She was an active club woman and was the president of the Brooklyn Woman's Club.